Mono/Stereo 2W Switch-Mode (Class-D)

Audio Power Amplifiers

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

0 to 0.6

V

Ω

0.4

Ω

0.7

Ω

1.2

Maximum Output Power

Ω

2

W

THD Plus Noise

0.4

%

Efficiency

87

%

Channel Isolation

45

dB

LOGIC INPUTS (SHDN, FS1, FS2)

Logic Input Current

1

100

nA

Logic Input High Voltage

0.7

×

V

Logic Input Low Voltage

0.3

×

V

INPUT AMPLIFIER

Input Offset Voltage

±0.5

±4mV

VOS Temp Coefficient

±5

µV/

°C

Input Bias Current

(Note 3)

±0.05

±25

nA

Input Noise Voltage Density

f = 10kHz

32

nV/

√Hz

Input Capacitance

2.5

pF

Output Resistance

0.01

Ω

AOUT Disabled Mode Leakage

Current

±0.1

±1

µA

AOUT to GND

8

Short-Circuit Current

65

mA

Large-Signal Voltage Gain

Ω

78

115

dB

40

250

AOUT Voltage Swing

≥ 10mV,

Ω

40

100

mV

Gain Bandwidth Product

1.25

MHz

Power-Supply Rejection

66

90

dB

Maximum Capacitive Load

No sustained oscillations

200

pF

Note 2: Supply Voltage Range guaranteed by PSRR of input amplifier, frequency, duty cycle, and H-bridge on-resistance.

Note 3: Guaranteed by design, not production tested.